CN219175272U - Pile-anchor combined foundation pit supporting system - Google Patents
Pile-anchor combined foundation pit supporting system Download PDFInfo
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- CN219175272U CN219175272U CN202320323906.1U CN202320323906U CN219175272U CN 219175272 U CN219175272 U CN 219175272U CN 202320323906 U CN202320323906 U CN 202320323906U CN 219175272 U CN219175272 U CN 219175272U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
- 239000002689 soil Substances 0.000 claims abstract description 13
- 239000011150 reinforced concrete Substances 0.000 claims description 12
- 239000004567 concrete Substances 0.000 claims description 7
- 235000013372 meat Nutrition 0.000 claims description 4
- 235000013311 vegetables Nutrition 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims 5
- 238000010276 construction Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/23—Dune restoration or creation; Cliff stabilisation
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Abstract
The utility model relates to the technical field of foundation pit support, in particular to a pile-anchor combined foundation pit support system, which comprises the following components: front row piles, rear row piles, front row crown beams, rear row crown beams, steel diagonal braces, first embedded steel plates, second embedded steel plates and anchor cables; the front row of piles are positioned at the boundary of the foundation pit, the upper part of the front row of piles is provided with a front row of crown beams, and the upper part of the front row of crown beams is provided with a first embedded steel plate; the rear row of piles are positioned in soil outside the foundation pit range, the pile tops of the rear row of piles are higher than those of the front row of piles, rear row of crown beams are arranged at the upper parts of the rear row of piles, and second embedded steel plates are vertically arranged on the rear row of crown beams; the lower part of the steel diagonal brace is connected with the first embedded steel plate, and the upper part of the steel diagonal brace is connected with the second embedded steel plate; one end of the anchor cable is arranged on the upper part of the rear row crown beam, and the other end of the anchor cable is vertically anchored in the soil body. The pile-anchor combined foundation pit supporting system can meet the requirements of deep foundation pit supporting under the situation of the periphery of most complex foundation pits, and ensures the safety of the foundation pit and the surrounding buildings.
Description
Technical Field
The utility model relates to the technical field of foundation pit support, in particular to a pile-anchor combined foundation pit support system.
Background
In order to meet the requirements of urban construction, the depth of an engineering foundation pit and the complexity of surrounding environments are increased, the row pile support is an effective mode in deep foundation pit support, and the double row piles are mainly in support modes of vertical piles in front and back rows, so that a stable integral foundation pit support system is formed through combination of a crown beam and a waist beam. However, the existing support system still has the defects, and the double-row pile support structure enhances the rigidity of the enclosure structure through a door-type structure, but because the stress mechanism is still a cantilever beam, when the environment around the foundation pit is complex, the stability of the foundation pit is reduced, and the safety of the foundation pit and the buildings around the foundation pit is difficult to ensure.
Disclosure of Invention
The utility model aims to provide a pile-anchor combined foundation pit supporting system which can meet the requirements of deep foundation pit supporting under the circumstance of most complex foundation pit periphery and ensure the safety of the foundation pit and surrounding buildings.
The utility model provides a pile-anchor combined foundation pit supporting system, which comprises the following components: front row piles, rear row piles, front row crown beams, rear row crown beams, steel diagonal braces, first embedded steel plates, second embedded steel plates and anchor cables;
the front row piles are positioned at the boundary of the foundation pit, the upper parts of the front row piles are provided with front row crown beams, and the upper parts of the front row crown beams are provided with first embedded steel plates;
the rear row of piles are positioned in soil outside the foundation pit range, the pile tops of the rear row of piles are higher than those of the front row of piles, rear row of crown beams are arranged at the upper parts of the rear row of piles, and second embedded steel plates are vertically arranged on the rear row of crown beams;
the lower part of the steel diagonal brace is connected with the first embedded steel plate, and the upper part of the steel diagonal brace is connected with the second embedded steel plate;
one end of the anchor cable is arranged on the upper part of the rear row crown beam, and the other end of the anchor cable is vertically anchored in soil.
Preferably, the front row of piles consists of vertical, inter-engaging and overlapping concrete piles.
Preferably, the concrete pile includes: and the meat pile and the vegetable pile are mutually meshed and overlapped.
Preferably, the first pre-buried steel plate and the second pre-buried steel plate are arranged in a one-to-one correspondence.
Preferably, the front row piles vertically extend into soil below the pit bottom of the foundation pit, front row crown beams are arranged at the tops of the front row piles, and the front row crown beams are formed by pouring reinforced concrete.
Preferably, a rear row crown beam is arranged at the top of the rear row pile, and the rear row crown beam is formed by pouring reinforced concrete.
Preferably, the rear row piles are composed of a plurality of reinforced concrete piles which are arranged at certain intervals.
Preferably, the steel diagonal bracing is made of hollow steel pipes, the lower part of the steel diagonal bracing is welded and fixed with the first embedded steel plate, and the upper part of the steel diagonal bracing is welded and fixed with the second embedded steel plate.
Preferably, the steel diagonal bracing is made of hollow steel pipes with wall thickness not less than 5 mm.
Preferably, the anchor cable is formed by combining a plurality of groups of steel strands and anchoring parts.
The beneficial effects are that:
the pile-anchor combined foundation pit supporting system adopts the front row piles and the rear row piles to form a stable supporting structure similar to a triangle through the combination of the steel diagonal bracing, and the arrangement of the rear row pile anchor cables greatly improves the pile-arranging supporting capability and can meet the requirements of deep foundation pit supporting under the peripheral conditions of most complex foundation pits; in addition, all parts such as the front row piles, the rear row piles, the steel diagonal braces and the like are positioned outside the construction range of the foundation pit, so that the construction space inside the foundation pit is not occupied; in addition, compared with the horizontal internal support, the steel diagonal bracing has the advantages that the later dismantling amount is greatly reduced, and the construction period and the cost are greatly saved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a pile-anchor combined foundation pit supporting system structure provided by the utility model;
FIG. 2 is a schematic diagram of a front row pile and rear row pile connecting structure provided by the utility model;
fig. 3 is a top view of a pile-anchor combined foundation pit supporting system provided by the utility model.
Reference numerals illustrate: 1. front row piles; 2. rear row piles; 3. a steel diagonal bracing; 4. front row crown beams; 5. a rear row of crown beams; 6. a first pre-buried steel plate; 7. a second pre-buried steel plate; 8. an anchor cable; 9. soil mass.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. Furthermore, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1 to 3, the present embodiment provides a pile-anchor combined foundation pit supporting system, including: front row piles 1, rear row piles 2, front row crown beams 4, rear row crown beams 5, steel diagonal braces 3, first embedded steel plates 6, second embedded steel plates 7 and anchor cables 8; the front row pile 1 is positioned at the boundary of the foundation pit, a front row crown beam 4 is arranged at the upper part of the front row pile 1, and a first embedded steel plate 6 is arranged at the upper part of the front row crown beam 4; the rear row of piles 2 is positioned in soil 9 outside the foundation pit range, the pile tops of the rear row of piles 2 are higher than those of the front row of piles 1, rear row of crown beams 5 are arranged at the upper parts of the rear row of piles 2, and second embedded steel plates 7 are vertically arranged on the rear row of crown beams 5; the lower part of the steel diagonal bracing 3 is connected with a first embedded steel plate 6, and the upper part of the steel diagonal bracing 3 is connected with a second embedded steel plate 7; one end of the anchor cable 8 is arranged on the upper part of the rear row crown beam 5, and the other end is vertically anchored in the soil body 9.
The front row piles 1 and the rear row piles 2 are combined through the steel diagonal braces 3 to form a stable supporting structure similar to a triangle, and the anchor cables 8 in the rear row piles 2 are arranged, so that the row pile supporting capacity is greatly improved, and the requirements of deep foundation pit supporting under the situation of the periphery of most complex foundation pits can be met; in addition, all parts of the front row piles 1, the rear row piles 2, the steel diagonal braces 3 and the like are positioned outside the construction range of the foundation pit, so that the construction space inside the foundation pit is not occupied; in addition, compared with the horizontal internal support, the steel diagonal bracing 3 has the advantages that the later dismantling amount is greatly reduced, and the construction period and the cost are greatly saved.
In this embodiment, the front row of piles 1 consists of vertical, inter-engaging, overlapping concrete piles. Specifically, the concrete pile includes: the meat pile and the vegetable pile are mutually meshed and overlapped, wherein the meat pile is a reinforced concrete pile, the vegetable pile is a plain concrete pile without reinforcing steel bars, the piles are mutually meshed, and the waterproof effect of a supporting system can be effectively enhanced while supporting is achieved.
In this embodiment, the first pre-buried steel plate 6 and the second pre-buried steel plate 7 are arranged in a one-to-one correspondence manner, so that the support system is more stable.
In this embodiment, in the stable soil body 9 below the foundation pit bottom was vertically stretched into to front row's stake 1, front row 1 top was provided with front row's crown beam 4, and front row's crown beam 4 is formed by reinforced concrete pouring, and front row's crown beam 4 can effectively prevent that top edge from producing to collapse.
In the embodiment, the top of the back row pile 2 is provided with a back row crown beam 5, the back row crown beam 5 is formed by pouring reinforced concrete, and the back row crown beam 5 can effectively prevent the top edge from collapsing.
In this embodiment, the rear row piles 2 are composed of a plurality of reinforced concrete piles arranged at a certain interval. The number and the spacing of the reinforced concrete piles can be set according to practical conditions, and in the embodiment, the pile spacing of the reinforced concrete piles is 3000mm.
In this embodiment, steel bracing 3 is made by hollow steel pipe, steel bracing 3 lower part and first pre-buried steel sheet 6 welded fastening, steel bracing 3 upper portion and second pre-buried steel sheet 7 welded fastening, and fixed simple convenient and firm, later stage demolishs conveniently, and steel bracing 3 compares in the level internal stay, and later stage demolishs the volume greatly reduced, very big saving time limit for a project and expense.
The quantity of first pre-buried steel sheet 6, second pre-buried steel sheet 7, steel bracing 3 can be set for according to actual conditions, and in this embodiment, the quantity of first pre-buried steel sheet 6, second pre-buried steel sheet 7, steel bracing 3 is two, again can the furthest save cost when guaranteeing to strut.
In this embodiment, the steel diagonal brace 3 is made of a hollow steel pipe having a wall thickness of not less than 5 mm.
In this embodiment, the anchor cable 8 is formed by combining a plurality of groups of steel strands and anchoring members. Specifically, one end of the anchor cable 8 is positioned at the upper part of the rear row crown beam 5 and vertically enters the lower stable soil body 9, so that the rear row piles 2 are further reinforced.
In conclusion, the pile-anchor combined foundation pit supporting system can meet the requirements of deep foundation pit supporting under the condition of the periphery of most complex foundation pits, and ensures the safety of the foundation pit and the surrounding buildings.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The utility model provides a stake anchor combination foundation ditch support system which characterized in that includes: front row piles, rear row piles, front row crown beams, rear row crown beams, steel diagonal braces, first embedded steel plates, second embedded steel plates and anchor cables;
the front row piles are positioned at the boundary of the foundation pit, the upper parts of the front row piles are provided with front row crown beams, and the upper parts of the front row crown beams are provided with first embedded steel plates;
the rear row of piles are positioned in soil outside the foundation pit range, the pile tops of the rear row of piles are higher than those of the front row of piles, rear row of crown beams are arranged at the upper parts of the rear row of piles, and second embedded steel plates are vertically arranged on the rear row of crown beams;
the lower part of the steel diagonal brace is connected with the first embedded steel plate, and the upper part of the steel diagonal brace is connected with the second embedded steel plate;
one end of the anchor cable is arranged on the upper part of the rear row crown beam, and the other end of the anchor cable is vertically anchored in soil.
2. The pile-anchor composite foundation pit support system of claim 1, wherein the front row of piles are comprised of vertical, intermeshed, overlapping concrete piles.
3. The pile-anchor composite foundation pit support system of claim 2, wherein the concrete pile comprises: and the meat pile and the vegetable pile are mutually meshed and overlapped.
4. The pile-anchor combined foundation pit supporting system according to claim 1, wherein the first pre-buried steel plates and the second pre-buried steel plates are arranged in a one-to-one correspondence.
5. The pile-anchor combined foundation pit supporting system according to claim 1, wherein the front row piles vertically extend into soil below the bottom of the foundation pit, front row crown beams are arranged at the tops of the front row piles, and the front row crown beams are formed by pouring reinforced concrete.
6. The pile-anchor composite foundation pit supporting system according to claim 1, wherein the top of the rear row of piles is provided with a rear row of crown beams, and the rear row of crown beams are formed by pouring reinforced concrete.
7. The pile-anchor composite foundation pit supporting system of claim 6, wherein said rear row piles are comprised of a plurality of reinforced concrete piles arranged at a certain interval.
8. The pile-anchor combined foundation pit supporting system according to claim 1, wherein the steel diagonal bracing is made of hollow steel pipes, the lower part of the steel diagonal bracing is welded and fixed with the first embedded steel plate, and the upper part of the steel diagonal bracing is welded and fixed with the second embedded steel plate.
9. The pile-anchor combined foundation pit supporting system according to claim 8, wherein the steel diagonal bracing is made of hollow steel pipe with wall thickness not less than 5 mm.
10. The pile-anchor composite foundation pit supporting system according to claim 1, wherein the anchor cable is composed of a plurality of groups of steel strands and anchoring members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320323906.1U CN219175272U (en) | 2023-02-16 | 2023-02-16 | Pile-anchor combined foundation pit supporting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320323906.1U CN219175272U (en) | 2023-02-16 | 2023-02-16 | Pile-anchor combined foundation pit supporting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219175272U true CN219175272U (en) | 2023-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320323906.1U Active CN219175272U (en) | 2023-02-16 | 2023-02-16 | Pile-anchor combined foundation pit supporting system |
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| Country | Link |
|---|---|
| CN (1) | CN219175272U (en) |
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- 2023-02-16 CN CN202320323906.1U patent/CN219175272U/en active Active
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